baber/WOPTO huggingface dataset:
Patent JP-H0653766-A (JP)
Title: Variable gain amplifier
Inventor: KAJIWARA NORIYUKI
IPC: H03F3/45
Filed: 1992-07-31
Abstract: PURPOSE:To obtain a variable gain amplifier having linearity over the entire gain range by controlling the adjustment of the gain based on a sum of output currents of a differential amplifier circuit. CONSTITUTION:A current detection circuit 13 detecting an output current flowing to transistors(TRs) Q1, Q2 of a differential amplifier circuit through TRs Q3, Q19 is added to the amplifier. Then the current flowing to the TRs Q3, Q19 is detected by TRs Q21, Q22, Q23, and the detected current is changed into a voltage by a resistor 17. A feedback circuit 14 giving a feedback so that an external gain adjustment voltage and the voltage across the resistor 17 are equal is formed by TRs Q12, Q13, Q25, Q26. A comparator circuit consists of the circuit 14 and a control signal output circuit 12. Then a control signal is outputted from the TRs Q9, Q10 so that a voltage across the resistor R17 and the gain adjustment voltage are equal by the comparator circuit and the gain is adjusted by controlling the TRs Q3, Q4, Q19, Q20 of the gain adjustment circuit 11.
Patent JP-S6182414-A (JP)
Title: Manufacture of permalloy soft magnetic film
Inventor: NAMIKATA RYOJI
IPC: C23C14/14
Filed: 1984-09-28
Abstract: PURPOSE:To obtain a permalloy film having excellent magnetic properties with good reproducibility by setting a target voltage and inert gas pressure to threshold values or lower which exhibit an abrupt rising characteristic of the magnetic properties of a permalloy soft magnetic film. CONSTITUTION:A sputtering method capable of independently controlling a target voltage and a target current includes a DC 3-pole sputtering method or a DC 4-pole sputtering method. Argon gas is flowed as inert gas to produce a permalloy film by the sputtering method. When the target voltage is limited to the value of the threshold voltage or lower, coercive force for the variation in the target voltage does not almost alter but the prescribed magnetic characteristic permalloy film is obtained. Thus, the target voltage value can be set to the value of the threshold voltage or lower to form the film. Thus, an uniaxial anisotropic permalloy film can be obtained with excellent magnetic properties and good reproducibility.
Patent JP-S6267155-A (JP)
Title: Production of superconductive compound strand
Inventor: KONO TSUKASA
IPC: C22F1/00
Filed: 1985-09-18
Abstract: PURPOSE:To efficiently produce a long-sized strand at a low cost by successively and logitudinally placing a stock tape and base material tape, etc. to a wire- shaped body incorporated therein with elements necessary for forming a superconductor compd. material then finally welding the sheath tape. CONSTITUTION:The wire-shaped body 11 consisting of >=1 kinds of elements among >=2 kinds of elements constituting the superconductive compd. material is drawn out of a delivery device 10. The stock tape 13 contg. >=1 kinds of the other elements among >=2 kinds of the above-mentioned elements is placed longitudinally along the tape 13 to form a composite strand A1. The base material 15 made of the same compsn. as the body 11 is longitudinally placed and clad on such composite strand A1 to form the clad composite wire A2. The sheath tape 17 is longitudinally placed and clad on the wire A2 and the butt end edges of the tape 17 are welded to each other. The welded wire is diametrally reduced by which the superconductive strand A is formed.
Patent JP-S61179208-A (JP)
Title: Polymerization of propylene
Inventor: ASANUMA TADASHI
IPC: C08F4/654
Filed: 1984-10-02
Abstract: PURPOSE:To make it possible to produce PP having a consistent quality at a constant production rate, by regulating the amount of addition of an organoaluminum compound according to a detected production rate of PP in polymerizing propylene by using a transition metal/organoaluminum compound catalyst. CONSTITUTION:In a process for polymerizing propylene by using a catalyst system comprising a transition metal catalyst and an organoaluminum compound (e.g., a catalyst system comprising a catalyst formed by allowing a magnesium halide to support a titanium halide and a dialkylaluminum halide/ trialkylaluminum halide) and detecting the production rate of PP based on the quantity of the heat of reaction, the production rate of PP is fixed by varying the amount of addition of the organoaluminum compound in the catalyst according to the detected production rate of PP. Thus, it is possible to produce PP of a consistent quality at a constant production rate.
Patent JP-H0369390-A (JP)
Title: Production of thermal recording material
Inventor: MIURA TAKAHARU
IPC: B41M5/28
Filed: 1989-08-10
Abstract: PURPOSE:To obtain a thermal recording material holding a high sensitivity and a high image quality and having a glossiness by a method wherein a coating liquid layer applied on an intermediate layer of a heat-sensitive substrate is irradiated with an electron beam while being depressed by a smoothly molded surface of a molded substrate to be polimerized and cured to form a resin coated layer. CONSTITUTION:As a base material having a sheet form, a plastic film, synthetic paper, or the like can be used in addition to wood free paper, medium paper, art paper, or other paper. An electron beam-cured coating liquid used for forming a resin coated layer is made of a compound which can be polymerized and cured by being irradiated with an electron beam. As the compound, an acrylic or methacrylic oligomer containing two or more carbon - carbon double bonds in one molecule and a multifunctional acrylic or methacrylic monomer are exemplified. The coating liquid is applied on the surface of an intermediate layer of a heat-sensitive substrate and depressed by a smoothly molded surface of a molded substrate. When the molded substrate has electron beam transmitting properties, the coating liquid layer is irradiated with an electron beam transmitted from the rear of the molded substrate.
Patent JP-H0490198-A (JP)
Title: Constant current driving type sample-and-hold circuit
Inventor: NAKAJIMA TERUYA
IPC: H03M1/12
Filed: 1990-07-31
Abstract: PURPOSE:To obtain linear characteristics having no current amplification dependence in both of charging and discharging a capacitor by correcting the constant current of a current mirror circuit proportionally to the inverse of a current amplification factor and adding a constant current circuit to be controlled by the output of a gate trigger source. CONSTITUTION:The sample-and-hold circuit is provided with the constant current circuit 5 for supplying a current obtained by correcting a constant current outputted from the base of a transistor Q7 connected to a TR Q6 and current- mirrored by TRs Q5, Q6 to 1/hfe. In addition, a current mirror circuit 4 consisting of pnp type TRs Q3, Q4 and a switching circuit 6 for switching the operation of the circuit 5 are connected. A current supplied from the circuit 4 to switching TRs Q1, Q2 is corrected by the circuit 5 proportionally to the inverse of the current amplification factor. Thereby, the characteristics are linearly increased or decreased in both of the charging and discharging of the sample-and-hold circuit and does not depend upon the current amplification factor of the current mirror circuit.
Patent JP-H11350279-A (JP)
Title: Gold and silver foil thread
Inventor: OIKE KOZO
IPC: B32B15/09
Filed: 1998-06-02
Abstract: PROBLEM TO BE SOLVED: To produce a flat gold and silver foil thread, having no unevenness in gloss and excellent in mechanical strength and flexibility by shredding laminate in which metal thin film and colored resin under-coated layer are inserted between two outermost film made of a synthetic resin. SOLUTION: This flat gold and silver foil thread is produced by the following steps: (1) vapor deposition of silver onto the one surface of synthetic resin film [e.g. made of poly(ethylene terephthalate)] to form metal thin film having <=0.2 μm (pref. 0.02-0.2 μm) thickness; (2) laminating on the metal thin film an under-coated resinous layer having 0.05-1.5 μm thickness made of an acrylic- based resin colored with a coloring matter such as dye and pigment; (3) laminating on it the above synthetic resin film to form laminate in which at least one of both outermost layers is synthetic resin film having >=2 μm and <6 μm thickness; (4) shredding the laminate into ribbons having 0.15-2 mm width.
Patent JP-2001035367-A (JP)
Title: Manufacture of cathode-ray tube and cathode-ray tube manufacturing device
Inventor: SUGANO TAKESHI
IPC: H01J9/385
Filed: 1999-07-21
Abstract: PROBLEM TO BE SOLVED: To check gas blowoff in operation by making the gas absorbed to a structure in a cathode-ray tube absorb to a getter film, after getter flash by arranging a heating process for heating a funnel part of the cathode-ray tube between a getter flash process and an ageing process. SOLUTION: In a cathode-ray tube 1, after getter flash processing, a gas particle 33 floats in the cathode-ray tube 1. Gas particles 33 adsorbed chemically to a getter film 11 and gas particles 33 adsorbed physically in internal facing graphite 10, a grid 12 and a metal plate shield 13 being an internal electrical conductor other than the getter film 11 exists as the gas particle 33. Since the internal electrical conductor of the cathode-ray tube 1 is constituted to be heated, the gas particles 33 physically adsorbed to the members other than the getter film 11 are adsorbed chemically to the getter film 11 quickened in an adsorbing speed of the gas by the rise in temperature released in the cathode- ray tube 1 to reduce the gas blown off in an ageing processing and operation to improve characteristics.
Patent JP-H0634019-A (JP)
Title: Pulley
Inventor: ITO YUTAKA
IPC: F16H55/36
Filed: 1992-07-09
Abstract: PURPOSE:To easily and inexpensively obtain a light-weight pulley whose strength is assured, by forming, in one body, at least a boss fixedly attached to a rotary shaft and a main body that couples the boss and a belt suspending part with each other, and forming a plurality of ribs along the circumferential wall of the boss. CONSTITUTION:This pulley is made up of a cylindrical boss 1 fixedly attached to a rotary shaft in the center, a ring-shaped belt suspending part 3 arranged concentric with this boss outside thereof, and a plate-like main body 2 that couples them with each other. A rubber body 4 is attached to the opposite surface of the belt suspending part 3 in relation to the main body 2, and a belt suspending groove 31 is formed along the outer peripheral surface of the belt suspending part 3. In the above constitution, at least the boss 1 and the main body 2 are formed in one body by press molding a plate material. Irregularities are alternately formed inwardly and outwardly along the circumferential wall of the boss 1 in a circumferential direction thereof, thereby creating a plurality of ribs 11. Thereby, a light-weight pulley is manufactured simply and inexpensively while the strength of a pulley is assured.
Patent JP-H0496256-A (JP)
Title: Metallic hermetic sealing cover
Inventor: OOMURA TOSHIMASA
IPC: H01L23/02
Filed: 1990-08-03
Abstract: PURPOSE:To prevent molten solder from going over a soldered surface, and wetting and spreading over the internal surface of a cover by reducing the wetting property of a central portion of the internal surface of a cover body or a portion going around the foregoing external portion than that of the soldered surface of an outer periphery of the cover. CONSTITUTION:The entire internal surface of a cover body 1 undergoing Ni plating is subjected to application of 10mum thick polyimide resin for example, an the inside part of a central portion of the cover is irradiated with ultraviolet rays for its being cured while the other part non-cured polyimide resin is removed. Hereby, a solder resist 3 is formed, and the wetting property of that portion is more reduced than that of a soldered surface 2. Otherwise, a central part-going-around part is irradiated with ultraviolet rays and cured, and other non-cured polyimide resin is removed. Hereby, a window frame-shaped solder resist 4 is formed and the wetting property at that portion is made lower than that of the soldered surface 2.
Patent JP-2001036917-A (JP)
Title: Digital camera and storage medium for processing picture signal
Inventor: SUZUKI MASAHISA
IPC: G03B7/08
Filed: 1999-07-21
Abstract: PROBLEM TO BE SOLVED: To sufficiently suppress crocking or color fogging phenomenon generated due to a distance between an optical axis and image positions of a photographic lens on a CCD. SOLUTION: A CCD 26 image picks up dispersed lights passing through an exchange zoom lens on which a white cap is mounted, and picture data outputted from the CCD 26 are stored in a buffer memory 30. A CPU 21 detects data whose luminance is the maximum from the data stored in the buffer memory 30, and defines pixel positions (x1, y1) at which the data are outputted as an optical axis. A gain setting circuit 102 calculates a gain adjustment coefficient corresponding to a distance with the optical axis for all the picture data and, stores it with focal length and diaphragm value of the exchange zoom lens in a register of the CPU 21. A gain adjusting circuit 103 reads the stored gain adjustment coefficient based on the focal length and diaphragm value of the exchange zoom lens, and adjusts a gain by using the coefficient.
Patent JP-H0489297-A (JP)
Title: Memory card
Inventor: OMORI MAKOTO
IPC: B42D15/10
Filed: 1990-08-01
Abstract: PURPOSE:To reduce the number of parts and at the same time, increase the reliability of a cell connection part by making a cell protruding spring and a contact element in one piece, then allowing the cell protruding spring to act as a contact element and providing contact points at two spots. CONSTITUTION:An electrode terminal 11 consists of a spring material, a base 12 and two contact element pieces 13, 14 formed with the base 12 in one piece. The base 12 of the electrode terminal 11 is connected to a power supply circuit mounted on an electric circuit substrate 6 electrically. The contact element piece 14 is extended to an innermost part along a direction which crosses directly a cell loading direction and is bent like V as viewed on the plane so that the main part is extended to a cell insertion orifice side. Then the tip of the main part is allowed to come in contact with the bottom 2a of a cell mounting part 2. The contact element piece 14 works as a leaf spring as a result of the formation of the contact element piece 14 like V, and a cell 4 and a cell holder 3 are pushed out of the cell mounting part 2 by the contact element piece 14 during cell replacement.
Patent JP-S6361222-A (JP)
Title: Laser recorder
Inventor: TOMOE TETSUO
IPC: G02B26/10
Filed: 1986-09-02
Abstract: PURPOSE:To uniformize the quantity of the beam projected onto a photosensitive body by constituting a rotary polygonal mirror and an image forming lens so that the distributions of the light beam reflectivity of the former and the light beam transmittance of the latter are opposite to each other. CONSTITUTION:A rotary polygonal mirror 3 rotated around a vertical shaft 9 is provided at a proper length ahead of an element 1 in the output direction of a light beam 2 from the element 1 so that the light beam 2 is made incident on this mirror 3 and is repeatedly deflected at about right angles. In such a case, the shaft 9 is arranged under the mirror 3 and is the rotary shaft of a driving motor 10 which rotates the mirror 3. A light beam 2' deflected by the mirror 3 is transmitted through an image forming lens group 6 and is reflected on a mirror 7 obliquely downward and passes a cylindrical lens 8 and is converged on the surface of a prescribed photosensitive drum 12. The mirror 3 is coated with such materials that its reflectivity distribution is opposite to the transmittance distribution of the light beam 2' of the lens group 6 and the lens 8. Consequently, light beam 2 and 2' are uniformly converted in the axial direction of the drum 12.
Patent JP-S5995419-A (JP)
Title: Measurement system
Inventor: YAMAZAKI TOSHIO
IPC: G01D3/024
Filed: 1982-11-25
Abstract: PURPOSE:To enable continuous measurement with good accuracy by combining organically a large range measurement device and a small range measurement device. CONSTITUTION:The output signal E5 (E5=0.333E4) of the inclination equal to the inclination of the measurement signal E1 of a large range measurement device 1 is transmitted from a coefft. multiplier 4. On the other hand, the voltage 3.33V corresponding to a range change-over point is transmitted as a set signal E8 from a signal generator 8. A high selector 7 compares the signal E1 of the device 1 and the set signal E8, and transmits the signal E1 as a selection signal E8 when the signal E1 is larger than 3.33V and transmits the signal E8 as a selection signal E9 when the signal E1 is smaller than 3.33V. A low selector 5 compares the output signal E5 of a multiplier 4 and the signal E8 and transmits the signal E5 as a selection signal E10 when the signal E5 is smaller than 3.33V and transmits the signal E8 as the selection signal E10 when the signal E5 is larger than 3.33V.
Patent JP-H0256130-A (JP)
Title: Optical ring network
Inventor: NOSU KIYOSHI
IPC: H04B10/275
Filed: 1988-08-22
Abstract: PURPOSE:To eliminate need for giving an address to a transmission signal by allocating a specific optical frequency to each node so as to correspond the address of each node to the optical frequency thereby applying the communication between nodes. CONSTITUTION:Optical transmission lines 1, 2 and plural communication terminal equipment nodes 61-6n are connected by optical multiplexers/demultiplexers 51-5n whose transparent frequency is variable and optical multiplexers/ demultiplexers 41-4n whose transparent frequency is fixed. Each one frequency is allocated to the nodes 61-6n and the optical multiplexers/demultiplexers 41-4n used as a demultiplexer belonging to the node are fixed to the frequency. The accessing between nodes is implemented by tuning the optical multiplexers/ demultiplexers 51-5n used as insertion equipments having a sender side optical source frequency to the transparent frequency. Since it is not required to give addressing to the transmission signal in this way, there is no restriction in number of nodes.
Patent JP-S58107980-A (JP)
Title: Document output device
Inventor: OKANO MICHIAKI
IPC: G06T11/60
Filed: 1981-12-21
Abstract: PURPOSE:To attain simple and smooth editing work of a document, by picking up a picture signal according to a prescribed format information and synthesizing the picture signal through the conversion of a character code train into a character pattern signal. CONSTITUTION:A character code pattern converting and control section 5 interpretes the train of character code sequentially inputted via a document information input section 3 under the control of a microprocessor unit (MPU)1 and accesses the address storing the corresponding to the character pattern picture signal to the character code of a character pattern memory 6 by taking the train as address information. The character pattern signal read out from the memory 6 is synthesized into the picture signal of an original inputted from a scanning section via a logical sum circuit 7 and outputted as an output document signal.
Patent JP-H0551914-A (JP)
Title: Road sweeper
Inventor: ENDO TAKASHI
IPC: E01H1/08
Filed: 1991-08-19
Abstract: PURPOSE:To raise the safeness of operation as well as reduce loading to cleaning car by a method in which a rotation angle sensor is provided to a pivotal shaft piercing a supporter pivotally attached to the vehicular body and a fixed optimum inclining angle is given to side brushes by electric signals. CONSTITUTION:A bearing is provided to a supporter 7 to support a pivotal shaft 5a rotatably, and the end of one of two arms provided on both ends is supported by a bracket 5b fixed to one end of the shaft 5a. The other end supports side brushes 4 by the pin 9, and the other end of the shaft 5a is housed in a rotation angle sensor 10 fixed to the supporter 7 by a bracket 11. The relative rotation angle between the shaft 5a and the supporter 7 is detected to send it out as electric signals. A cylinder device is connectedly set between a cylinder receiver and the bracket 5b, and the shaft 5a is turned by the expansion and contraction of the cylinder device in order to vary the inclining angle of the revolving shaft of the side brushes 4. A circuit voltage is set up manually in such a way as to match it with the display of meter board corresponding to optimum inclining angle, and the inclining angle of the side brushes 4 is kept in an optimum ground-contact form through the cylinder device.
Patent JP-S60100227-A (JP)
Title: Information processor
Inventor: NAKAYAMA TAKEYOSHI
IPC: G06F9/06
Filed: 1983-11-03
Abstract: PURPOSE:To obtain a processor which develops a machine word program easily and effectively by connecting a machine word extracting device between a personal computer and a microcomputer. CONSTITUTION:The machine word extracting device 2 is provided between a simple processor, e.g. the personal computer 1 and the microcomputer 3. An assembler system 7 uses the personal computer 1 to generate a desired original program for the operation of the microcomputer 3. This consists of list data and machine words including addresses and a data part in assembler language for controlling the operation of the personal computer 1, and the machine words are generated for the operation of the microcomputer 3, so they are extracted by said machine word extracting device 2 and stored in a storage device RAM in the microcomputer 3. Consequently, the assembler system 7 of the personal computer 1 is usable for the development of the machine words of the microcomputer 3.
Patent JP-H0868953-A (JP)
Title: Eyepiece
Inventor: SUGAWARA SABURO
IPC: G02B25/00
Filed: 1994-08-31
Abstract: PURPOSE: To obtain a comparativly inexpensive eyepiece constituted so that eye relief is long and the curvature of image is excellently corrected by constituting it of a first, a second and a third lens groups, making the first lens group the joined lens obtained by joining the negative lens and the positive lens and constituting at least one surface out of the lens surfaces of an aspherical surface. CONSTITUTION: This eyepiece is constituted of the first positive refractive-power lens group E1, the second positive refractive-power lens group E2 and the third positive refractive-power lens group E3 in this order from an object side. The first lens group E1 is the joined lens obtained by joining the negative lens and the positive lens and at least one surface out of the lens surf aces is made aspherical. It is preferable that the first lens group E1 is the joined lens constituted by arranging and joining the negative lens and the positive lens in this order from the object side. It is preferable that the aspherical surf ace is constituted so that the positive power becomes weaker or the negative power becomes stronger as it goes to the periphery.  Besides, it is preferable that at least one S of the lenses included in the eyepeice is constituted of an optical material made of resin.